﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Sie.TestApp1
{
    internal class Program
    {
        static void Main(string[] args)
        {
            //test1(); 
            //test2();
            Console.Read();
        }

        static void test1() {
            Console.WriteLine("hello C# world");
        }

        static void test2() { 
            Student student = new Student();
            student.Name = "张三";
            student.Age = 30;
            student.study();
        }

        static void test3()
        {
            Animal a = new Animal();
       }
    }
}
